How Does ?#iefix Trick IE6-IE8 into Loading Web Fonts?

Unraveling the Efficacy of ?#iefix in Resolving Web Font Loading in IE6-IE8

In the realm of web development, there's a persistent dilemma regarding the enigmatic question, "How does ?#iefix solve web fonts loading in IE6-IE8?"

The Issue:

Web articles such as "Fixing IE9 font-face problems" recommend adding ?#iefix to the EOT URL to alleviate font loading issues in IE6-IE8. This paradoxical solution begs the question, what does the question mark accomplish?

The Resolution:

The enigma lies in the idiosyncratic nature of older Internet Explorer versions. A flaw in their parser for the src attribute prevents them from loading multiple font formats within the SRC attribute, resulting in a 404 error.

The question mark offers an ingenious solution. It tricks IE into perceiving the subsequent text as a query string, effectively isolating the EOT file for loading. This strategy allows IE to follow its intended behavior and ignore the extraneous font formats.

Implications for Other Browsers:

The question mark's intervention has a profound impact only on IE6-IE8. Contemporary browsers adhere to the appropriate specifications and select the correct font type as required.

Further Exploration:

For deeper insight into the intricate web of @font-face syntax and related complexities, consider delving into Paul Irish's comprehensive guide, "Bulletproof @font-face syntax."

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